Alright, let's work through 3985 times 7713 step by step
3985 × 7713 = 7713 × (3985)
+ 7713 × 5 yielding 38565
+ 7713 × 80 what gives us 617040
+ 7713 × 900 producing 6941700
+ 7713 × 3000 that equals 23139000

= 30736305
